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-rw-r--r--Documentation/diff-options.txt51
1 files changed, 30 insertions, 21 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 4656a97e60..c32105f1ed 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -48,9 +48,9 @@ endif::git-format-patch[]
--patience::
Generate a diff using the "patience diff" algorithm.
---stat[=width[,name-width]]::
+--stat[=<width>[,<name-width>]]::
Generate a diffstat. You can override the default
- output width for 80-column terminal by `--stat=width`.
+ output width for 80-column terminal by `--stat=<width>`.
The width of the filename part can be controlled by
giving another width to it separated by a comma.
@@ -66,14 +66,18 @@ endif::git-format-patch[]
number of modified files, as well as number of added and deleted
lines.
---dirstat[=limit]::
+--dirstat[=<limit>]::
Output the distribution of relative amount of changes (number of lines added or
removed) for each sub-directory. Directories with changes below
a cut-off percent (3% by default) are not shown. The cut-off percent
- can be set with `--dirstat=limit`. Changes in a child directory is not
+ can be set with `--dirstat=<limit>`. Changes in a child directory are not
counted for the parent directory, unless `--cumulative` is used.
++
+Note that the `--dirstat` option computes the changes while ignoring
+the amount of pure code movements within a file. In other words,
+rearranging lines in a file is not counted as much as other changes.
---dirstat-by-file[=limit]::
+--dirstat-by-file[=<limit>]::
Same as `--dirstat`, but counts changed files instead of lines.
--summary::
@@ -207,6 +211,7 @@ endif::git-format-patch[]
digits can be specified with `--abbrev=<n>`.
-B[<n>][/<m>]::
+--break-rewrites[=[<n>][/<m>]]::
Break complete rewrite changes into pairs of delete and
create. This serves two purposes:
+
@@ -229,6 +234,7 @@ eligible for being picked up as a possible source of a rename to
another file.
-M[<n>]::
+--find-renames[=<n>]::
ifndef::git-log[]
Detect renames.
endif::git-log[]
@@ -237,30 +243,17 @@ ifdef::git-log[]
For following files across renames while traversing history, see
`--follow`.
endif::git-log[]
- If `n` is specified, it is a is a threshold on the similarity
+ If `n` is specified, it is a threshold on the similarity
index (i.e. amount of addition/deletions compared to the
file's size). For example, `-M90%` means git should consider a
delete/add pair to be a rename if more than 90% of the file
hasn't changed.
-C[<n>]::
+--find-copies[=<n>]::
Detect copies as well as renames. See also `--find-copies-harder`.
If `n` is specified, it has the same meaning as for `-M<n>`.
-ifndef::git-format-patch[]
---diff-filter=[ACDMRTUXB*]::
- Select only files that are Added (`A`), Copied (`C`),
- Deleted (`D`), Modified (`M`), Renamed (`R`), have their
- type (i.e. regular file, symlink, submodule, ...) changed (`T`),
- are Unmerged (`U`), are
- Unknown (`X`), or have had their pairing Broken (`B`).
- Any combination of the filter characters may be used.
- When `*` (All-or-none) is added to the combination, all
- paths are selected if there is any file that matches
- other criteria in the comparison; if there is no file
- that matches other criteria, nothing is selected.
-endif::git-format-patch[]
-
--find-copies-harder::
For performance reasons, by default, `-C` option finds copies only
if the original file of the copy was modified in the same
@@ -278,14 +271,30 @@ endif::git-format-patch[]
number.
ifndef::git-format-patch[]
+--diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]]::
+ Select only files that are Added (`A`), Copied (`C`),
+ Deleted (`D`), Modified (`M`), Renamed (`R`), have their
+ type (i.e. regular file, symlink, submodule, ...) changed (`T`),
+ are Unmerged (`U`), are
+ Unknown (`X`), or have had their pairing Broken (`B`).
+ Any combination of the filter characters (including none) can be used.
+ When `*` (All-or-none) is added to the combination, all
+ paths are selected if there is any file that matches
+ other criteria in the comparison; if there is no file
+ that matches other criteria, nothing is selected.
+
-S<string>::
Look for differences that introduce or remove an instance of
<string>. Note that this is different than the string simply
appearing in diff output; see the 'pickaxe' entry in
linkgit:gitdiffcore[7] for more details.
+-G<regex>::
+ Look for differences whose added or removed line matches
+ the given <regex>.
+
--pickaxe-all::
- When `-S` finds a change, show all the changes in that
+ When `-S` or `-G` finds a change, show all the changes in that
changeset, not just the files that contain the change
in <string>.